Rose Checkermallow (Sidalcea virgata) blooming in a field. One of 100+ species of Pacific Northwest native plants available at Sparrowhawk Native Plants, Native Plant Nursery in Portland, Oregon.

Rose Checkermallow

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Sidalcea virgata aka Sidalcea malviflora ssp. virgata

Rose Checkermallow is an uncommon native, its range limited to the Willamette Valley and a tiny part of SW Washington (where it is listed as endangered). The loose, large, bright pink blooms are a high-quality nectar source for the endangered Fender’s blue butterfly and a host plant for many native butterflies, such as the painted lady.

  • Plant type/canopy layer: deciduous, perennial, herbaceous plant
  • Size at maturity: 36”- 48” tall, 24”-36” wide
  • Light requirements: full sun to part shade
  • Moisture requirements: moist to dry soil
  • Growth rate/ease: easy to grow, reseeds easily
  • Bloom time: April to May
  • Wildlife support: high-quality nectar source for the endangered Fender’s blue butterfly and a host plant for many native butterflies, such as the painted lady.
  • Native range:  Willamette Valley and a tiny part of SW Washington (where it is listed as endangered). Portland Plant List – no. 
  • Special features & uses: drought tolerant, beneficial insect and pollinator favorite, butterfly gardens 

Gardening with Rose Checkermallow: Hardy, drought tolerant and easy to grow - an excellent addition for sunny wildflower meadows and butterfly gardens.

Seed Packet Contains: approximately 80 seeds

Seeding Instructions

Direct sowing: fall sowing is recommended as this species usually has a fair amount of seed dormancy. Seeds usually need 45-90 days of cold moist chilling before seeds will germinate in spring.

Growing transplants: Sow seeds in containers and place outside or in a cold frame. Seeds may germinate over a long period of time.

Photo credit: Steele Acres Native Seed